In addition,the Man Machine interaction of PLC is also taken over by the MPT,resulting in improving the integration,information handling and artificial intelligence levels of the control system.

• 本文讨论利用人机界面和PLC控制步进电机实现数控系统点位控制功能的相关技术,介绍了控制系统方案及软硬件结构的设计思路。